A5850-02en Edition 06/2022 49
Assembly
5
5.1 General assembly instructions5.1 General assembly instructions
The assembly work must be performed very carefully by authorised, trained and suitably in-
structed personnel. Liability will be disclaimed for damage caused by the incorrect perform-
ance of this work.
Requirements
Improper use can damage the gear unit. Be sure to take the following precautions:
• Protect the gear unit against falling objects and from becoming covered over.
• Do not perform any welding work anywhere on the drive.
• Do not use the gear unit as an earthing point for electric-welding operations.
• Use all of the fastening points fitted to the particular unit design.
• Replace any bolts that are no longer fit for use by new bolts of the same strength class
and type.
• Make sure that sufficient hoisting gear is available.
Mounting position and attachment points
During the actual planning phase, be sure to allow for sufficient space around the gear unit
to enable subsequent upkeep and maintenance work. Take suitable measures to ensure that
unhindered convection across the housing surface is possible so that the gear unit does not
overheat. Leave sufficient space to allow a free flow of air into gear units that are equipped
with a fan.
Do not use incorrect attachment points (Page45). You will find the positions of the attach-
ment points in the dimension drawing, which is part of the complete documentation of the
gear unit. To ensure that the unit is properly lubricated during operation, please observe the
mounting position specified in the dimension drawings.
NOTICE
Heating of the gear unit by external heat sources
The gear unit must not be heated by external heat sources (exposure to direct sunlight, for
example) while it is in operation and measures must be taken where necessary to protect
it.
You can take the following measures to protect the gear unit against this hazard:
• A sun shield
• An additional cooling device
• A temperature monitoring device with trip function in the oil sump
If you use a sun shield, this may cause a build-up of heat.
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